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2020-05-18Merge tag 'v5.7-rc6' into objtool/core, to pick up fixes and resolve ↵Ingo Molnar1125-5838/+11766
semantic conflict Resolve structural conflict between: 59566b0b622e: ("x86/ftrace: Have ftrace trampolines turn read-only at the end of system boot up") which introduced a new reference to 'ftrace_epilogue', and: 0298739b7983: ("x86,ftrace: Fix ftrace_regs_caller() unwind") Which renamed it to 'ftrace_caller_end'. Rename the new usage site in the merge commit. Signed-off-by: Ingo Molnar <mingo@kernel.org>
2020-05-18Linux 5.7-rc6v5.7-rc6Linus Torvalds1-1/+1
2020-05-18Merge tag 'for-linus-5.7-2' of git://github.com/cminyard/linux-ipmiLinus Torvalds1-2/+2
Pull IPMI update from Corey Minyard: "Convert i2c_new_device() to i2c_new_client_device() Wolfram Sang has asked to have this included in 5.7 so the deprecated API can be removed next release. There should be no functional difference. I think that entire this section of code can be removed; it is leftover from other things that have since changed, but this is the safer thing to do for now. The full removal can happen next release" * tag 'for-linus-5.7-2' of git://github.com/cminyard/linux-ipmi: char: ipmi: convert to use i2c_new_client_device()
2020-05-17Merge tag 'clk-fixes-for-linus' of ↵Linus Torvalds6-66/+58
git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux Pull clk fixes from Stephen Boyd: "Some more clk driver fixes and one core framework fix: - A handful of TI driver fixes for bad of_node_put() and incorrect parent names - Rockchip rk3228 aclk_gpu* creation was interfering with lima GPU work so we use a composite clk now - Resuming from suspend on Tegra Jetson TK1 was broken because an audio PLL calculated an incorrect rate - A fix for devicetree probing on IM-PD1 by actually specifying a clk name which is required to pass clk registration - Avoid list corruption if registration fails for a critical clk" * tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: clk: ti: clkctrl: convert subclocks to use proper names also clk: ti: am33xx: fix RTC clock parent clk: ti: clkctrl: Fix Bad of_node_put within clkctrl_get_name clk: tegra: Fix initial rate for pll_a on Tegra124 clk: impd1: Look up clock-output-names clk: Unlink clock if failed to prepare or enable clk: rockchip: fix incorrect configuration of rk3228 aclk_gpu* clocks
2020-05-17Merge tag 'usb-5.7-rc6' of ↵Linus Torvalds22-123/+448
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB fixes from Greg KH: "Here are a number of USB fixes for 5.7-rc6 The "largest" in here is a bunch of raw-gadget fixes and api changes as the driver just showed up in -rc1 and work has been done to fix up some uapi issues found with the original submission, before it shows up in a -final release. Other than that, a bunch of other small USB gadget fixes, xhci fixes, some quirks, andother tiny fixes for reported issues. All of these have been in linux-next with no reported issues" * tag 'usb-5.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (26 commits) USB: gadget: fix illegal array access in binding with UDC usb: core: hub: limit HUB_QUIRK_DISABLE_AUTOSUSPEND to USB5534B USB: usbfs: fix mmap dma mismatch usb: host: xhci-plat: keep runtime active when removing host usb: xhci: Fix NULL pointer dereference when enqueuing trbs from urb sg list usb: cdns3: gadget: make a bunch of functions static usb: mtu3: constify struct debugfs_reg32 usb: gadget: udc: atmel: Make some symbols static usb: raw-gadget: fix null-ptr-deref when reenabling endpoints usb: raw-gadget: documentation updates usb: raw-gadget: support stalling/halting/wedging endpoints usb: raw-gadget: fix gadget endpoint selection usb: raw-gadget: improve uapi headers comments usb: typec: mux: intel: Fix DP_HPD_LVL bit field usb: raw-gadget: fix return value of ep read ioctls usb: dwc3: select USB_ROLE_SWITCH usb: gadget: legacy: fix error return code in gncm_bind() usb: gadget: legacy: fix error return code in cdc_bind() usb: gadget: legacy: fix redundant initialization warnings usb: gadget: tegra-xudc: Fix idle suspend/resume ...
2020-05-17Merge branch 'exec-linus' of ↵Linus Torvalds1-2/+2
git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace Pull execve fix from Eric Biederman: "While working on my exec cleanups I found a bug in exec that I introduced by accident a couple of years ago. I apparently missed the fact that bprm->file can change. Now I have a very personal motive to clean up exec and make it more approachable. The change is just moving woud_dump to where it acts on the final bprm->file not the initial bprm->file. I have been careful and tested and verify this fix works" * 'exec-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: exec: Move would_dump into flush_old_exec
2020-05-17Merge tag 'objtool-urgent-2020-05-17' of ↵Linus Torvalds1-7/+9
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 stack unwinding fix from Thomas Gleixner: "A single bugfix for the ORC unwinder to ensure that the error flag which tells the unwinding code whether a stack trace can be trusted or not is always set correctly. This was messed up by a couple of changes in the recent past" * tag 'objtool-urgent-2020-05-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/unwind/orc: Fix error handling in __unwind_start()
2020-05-17Merge tag 'x86_urgent_for_v5.7-rc7' of ↵Linus Torvalds5-1/+23
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fix from Borislav Petkov: "A single fix for early boot crashes of kernels built with gcc10 and stack protector enabled" * tag 'x86_urgent_for_v5.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86: Fix early boot crash on gcc-10, third try
2020-05-17exec: Move would_dump into flush_old_execEric W. Biederman1-2/+2
I goofed when I added mm->user_ns support to would_dump. I missed the fact that in the case of binfmt_loader, binfmt_em86, binfmt_misc, and binfmt_script bprm->file is reassigned. Which made the move of would_dump from setup_new_exec to __do_execve_file before exec_binprm incorrect as it can result in would_dump running on the script instead of the interpreter of the script. The net result is that the code stopped making unreadable interpreters undumpable. Which allows them to be ptraced and written to disk without special permissions. Oops. The move was necessary because the call in set_new_exec was after bprm->mm was no longer valid. To correct this mistake move the misplaced would_dump from __do_execve_file into flos_old_exec, before exec_mmap is called. I tested and confirmed that without this fix I can attach with gdb to a script with an unreadable interpreter, and with this fix I can not. Cc: stable@vger.kernel.org Fixes: f84df2a6f268 ("exec: Ensure mm->user_ns contains the execed files") Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2020-05-17Merge tag '5.7-rc5-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6Linus Torvalds3-3/+3
Pull cifs fixes from Steve French: "Three small cifs/smb3 fixes, one for stable" * tag '5.7-rc5-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6: cifs: fix leaked reference on requeued write cifs: Fix null pointer check in cifs_read CIFS: Spelling s/EACCESS/EACCES/
2020-05-16Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds12-88/+325
Pull kvm fixes from Paolo Bonzini: "A new testcase for guest debugging (gdbstub) that exposed a bunch of bugs, mostly for AMD processors. And a few other x86 fixes" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: x86: Fix off-by-one error in kvm_vcpu_ioctl_x86_setup_mce KVM: x86: Fix pkru save/restore when guest CR4.PKE=0, move it to x86.c KVM: SVM: Disable AVIC before setting V_IRQ KVM: Introduce kvm_make_all_cpus_request_except() KVM: VMX: pass correct DR6 for GD userspace exit KVM: x86, SVM: isolate vcpu->arch.dr6 from vmcb->save.dr6 KVM: SVM: keep DR6 synchronized with vcpu->arch.dr6 KVM: nSVM: trap #DB and #BP to userspace if guest debugging is on KVM: selftests: Add KVM_SET_GUEST_DEBUG test KVM: X86: Fix single-step with KVM_SET_GUEST_DEBUG KVM: X86: Set RTM for DB_VECTOR too for KVM_EXIT_DEBUG KVM: x86: fix DR6 delivery for various cases of #DB injection KVM: X86: Declare KVM_CAP_SET_GUEST_DEBUG properly
2020-05-16Merge tag 'powerpc-5.7-4' of ↵Linus Torvalds9-33/+78
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: - A fix for unrecoverable SLB faults in the interrupt exit path, introduced by the recent rewrite of interrupt exit in C. - Four fixes for our KUAP (Kernel Userspace Access Prevention) support on 64-bit. These are all fairly minor with the exception of the change to evaluate the get/put_user() arguments before we enable user access, which reduces the amount of code we run with user access enabled. - A fix for our secure boot IMA rules, if enforcement of module signatures is enabled at runtime rather than build time. - A fix to our 32-bit VDSO clock_getres() which wasn't falling back to the syscall for unknown clocks. - A build fix for CONFIG_PPC_KUAP_DEBUG on 32-bit BookS, and another for 40x. Thanks to: Christophe Leroy, Hugh Dickins, Nicholas Piggin, Aurelien Jarno, Mimi Zohar, Nayna Jain. * tag 'powerpc-5.7-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/40x: Make more space for system call exception powerpc/vdso32: Fallback on getres syscall when clock is unknown powerpc/32s: Fix build failure with CONFIG_PPC_KUAP_DEBUG powerpc/ima: Fix secure boot rules in ima arch policy powerpc/64s/kuap: Restore AMR in fast_interrupt_return powerpc/64s/kuap: Restore AMR in system reset exception powerpc/64/kuap: Move kuap checks out of MSR[RI]=0 regions of exit code powerpc/64s: Fix unrecoverable SLB crashes due to preemption check powerpc/uaccess: Evaluate macro arguments once, before user access is allowed
2020-05-16Merge tag 'csky-for-linus-5.7-rc6' of git://github.com/c-sky/csky-linuxLinus Torvalds20-178/+226
Pull csky updates from Guo Ren: - fix for copy_from/to_user (a hard-to-find bug, thx Viro) - fix for calltrace panic without FRAME_POINT - two fixes for perf - two build fixes - four fixes for non-fatal bugs (msa, rm dis_irq, cleanup psr, gdbmacros.txt) * tag 'csky-for-linus-5.7-rc6' of git://github.com/c-sky/csky-linux: csky: Fixup raw_copy_from_user() csky: Fixup gdbmacros.txt with name sp in thread_struct csky: Fixup remove unnecessary save/restore PSR code csky: Fixup remove duplicate irq_disable csky: Fixup calltrace panic csky: Fixup perf callchain unwind csky: Fixup msa highest 3 bits mask csky: Fixup perf probe -x hungup csky: Fixup compile error for abiv1 entry.S csky/ftrace: Fixup error when disable CONFIG_DYNAMIC_FTRACE
2020-05-16Merge tag 'arm-soc-fixes-5.7' of ↵Linus Torvalds56-171/+168
git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull ARM SoC/dt fixes from Arnd Bergmann: "This round of fixes is almost exclusively device tree changes, with trivial defconfig fixes and one compiler warning fix added in. A number of patches are to fix dtc warnings, in particular on Amlogic, i.MX and Rockchips. Other notable changes include: Renesas: - Fix a wrong clock configuration on R-Mobile A1 - Fix IOMMU support on R-Car V3H Allwinner - Multiple audio fixes Qualcomm - Use a safe CPU voltage on MSM8996 - Fixes to match a late audio driver change Rockchip: - Some fixes for the newly added Pinebook Pro NXP i.MX: - Fix I2C1 pinctrl configuration for i.MX27 phytec-phycard board - Fix imx6dl-yapp4-ursa board Ethernet connection OMAP: - A regression fix for non-existing can device on am534x-idk - Fix flakey wlan on droid4 where some devices would not connect at all because of internal pull being used with an external pull - Fix occasional missed wake-up events on droid4 modem uart" * tag 'arm-soc-fixes-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (51 commits) ARM: dts: iwg20d-q7-dbcm-ca: Remove unneeded properties in hdmi@39 ARM: dts: renesas: Make hdmi encoder nodes compliant with DT bindings arm64: dts: renesas: Make hdmi encoder nodes compliant with DT bindings arm64: defconfig: add MEDIA_PLATFORM_SUPPORT arm64: defconfig: ARCH_R8A7795: follow changed config symbol name arm64: defconfig: add DRM_DISPLAY_CONNECTOR arm64: defconfig: DRM_DUMB_VGA_DAC: follow changed config symbol name ARM: oxnas: make ox820_boot_secondary static ARM: dts: r8a7740: Add missing extal2 to CPG node ARM: dts: omap4-droid4: Fix occasional lost wakeirq for uart1 ARM: dts: omap4-droid4: Fix flakey wlan by disabling internal pull for gpio arm64: dts: allwinner: a64: Remove unused SPDIF sound card arm64: dts: allwinner: a64: pinetab: Fix cpvdd supply name arm64: dts: meson-g12: remove spurious blank line arm64: dts: meson-g12b-khadas-vim3: add missing frddr_a status property arm64: dts: meson-g12-common: fix dwc2 clock names arm64: dts: meson-g12b-ugoos-am6: fix usb vbus-supply arm64: dts: freescale: imx8mp: update input_val for AUDIOMIX_BIT_STREAM ARM: dts: r7s9210: Remove bogus clock-names from OSTM nodes ARM: dts: rockchip: fix pinctrl sub nodename for spi in rk322x.dtsi ...
2020-05-16Merge tag 'block-5.7-2020-05-16' of git://git.kernel.dk/linux-blockLinus Torvalds1-0/+5
Pull block fix from Jens Axboe: "Just a single NVMe pull in here, with a single fix for a missing DMA read memory barrier for completions" * tag 'block-5.7-2020-05-16' of git://git.kernel.dk/linux-block: nvme-pci: dma read memory barrier for completions
2020-05-16Merge tag 'pinctrl-v5.7-2' of ↵Linus Torvalds6-11/+40
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl Pull pin control fixes from Linus Walleij: "A bunch of pin control fixes, some a bit overly ripe, sorry about that. We have important systems like Intel laptops and Qualcomm mobile chips covered. - Pad lock register on Intel Sunrisepoint had the wrong offset - Fix pin config setting for the Baytrail GPIO chip - Fix a compilation warning in the Mediatek driver - Fix a function group name in the Actions driver - Fix a behaviour bug in the edge polarity code in the Qualcomm driver - Add a missing spinlock in the Intel Cherryview driver - Add affinity callbacks to the Qualcomm MSMGPIO chip" * tag 'pinctrl-v5.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: pinctrl: qcom: Add affinity callbacks to msmgpio IRQ chip pinctrl: cherryview: Add missing spinlock usage in chv_gpio_irq_handler pinctrl: qcom: fix wrong write in update_dual_edge pinctrl: actions: fix function group name for i2c0_group pinctrl: mediatek: remove shadow variable declaration pinctrl: baytrail: Enable pin configuration setting for GPIO chip pinctrl: sunrisepoint: Fix PAD lock register offset for SPT-H
2020-05-16Merge tag 'io_uring-5.7-2020-05-15' of git://git.kernel.dk/linux-blockLinus Torvalds1-9/+8
Pull io_uring fixes from Jens Axboe: "Two small fixes that should go into this release: - Check and handle zero length splice (Pavel) - Fix a regression in this merge window for fixed files used with polled block IO" * tag 'io_uring-5.7-2020-05-15' of git://git.kernel.dk/linux-block: io_uring: polled fixed file must go through free iteration io_uring: fix zero len do_splice()
2020-05-16Merge branch 'nvme-5.7' of git://git.infradead.org/nvme into block-5.7Jens Axboe1-0/+5
Pull NVMe fix from Christoph. * 'nvme-5.7' of git://git.infradead.org/nvme: nvme-pci: dma read memory barrier for completions
2020-05-16Merge tag 'renesas-fixes-for-v5.7-tag2' of ↵Arnd Bergmann17-41/+7
git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into arm/fixes Renesas fixes for v5.7 (take two) - Fix a wrong clock configuration on R-Mobile A1, - Minor fixes that are fast-tracked to avoid introducing regressions during conversion of DT bindings to json-schema. * tag 'renesas-fixes-for-v5.7-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel: ARM: dts: iwg20d-q7-dbcm-ca: Remove unneeded properties in hdmi@39 ARM: dts: renesas: Make hdmi encoder nodes compliant with DT bindings arm64: dts: renesas: Make hdmi encoder nodes compliant with DT bindings ARM: dts: r8a7740: Add missing extal2 to CPG node Link: https://lore.kernel.org/r/20200515125043.22811-1-geert+renesas@glider.be Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-05-16Merge tag 'sunxi-fixes-for-5.7-1' of ↵Arnd Bergmann2-19/+1
git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into arm/fixes Two fixes for the Allwinner SoCs, one to remove some inexistant sound card on the A64, and one to fix the audio codec regulator on the pinetab. * tag 'sunxi-fixes-for-5.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux: arm64: dts: allwinner: a64: Remove unused SPDIF sound card arm64: dts: allwinner: a64: pinetab: Fix cpvdd supply name Link: https://lore.kernel.org/r/f7a98a47-316d-4b1a-b5a5-0e1e330d5f52.lettre@localhost Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-05-16Merge tag 'nfs-for-5.7-5' of git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds10-38/+42
Pull NFS client bugfixes from Trond Myklebust: "Highlights include: Stable fixes: - nfs: fix NULL deference in nfs4_get_valid_delegation Bugfixes: - Fix corruption of the return value in cachefiles_read_or_alloc_pages() - Fix several fscache cookie issues - Fix a fscache queuing race that can trigger a BUG_ON - NFS: Fix two use-after-free regressions due to the RPC_TASK_CRED_NOREF flag - SUNRPC: Fix a use-after-free regression in rpc_free_client_work() - SUNRPC: Fix a race when tearing down the rpc client debugfs directory - SUNRPC: Signalled ASYNC tasks need to exit - NFSv3: fix rpc receive buffer size for MOUNT call" * tag 'nfs-for-5.7-5' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: NFSv3: fix rpc receive buffer size for MOUNT call SUNRPC: 'Directory with parent 'rpc_clnt' already present!' NFS/pnfs: Don't use RPC_TASK_CRED_NOREF with pnfs NFS: Don't use RPC_TASK_CRED_NOREF with delegreturn SUNRPC: Signalled ASYNC tasks need to exit nfs: fix NULL deference in nfs4_get_valid_delegation SUNRPC: fix use-after-free in rpc_free_client_work() cachefiles: Fix race between read_waiter and read_copier involving op->to_do NFSv4: Fix fscache cookie aux_data to ensure change_attr is included NFS: Fix fscache super_cookie allocation NFS: Fix fscache super_cookie index_key from changing after umount cachefiles: Fix corruption of the return value in cachefiles_read_or_alloc_pages()
2020-05-15Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netLinus Torvalds78-204/+459
Pull networking fixes from David Miller: 1) Fix sk_psock reference count leak on receive, from Xiyu Yang. 2) CONFIG_HNS should be invisible, from Geert Uytterhoeven. 3) Don't allow locking route MTUs in ipv6, RFCs actually forbid this, from Maciej Żenczykowski. 4) ipv4 route redirect backoff wasn't actually enforced, from Paolo Abeni. 5) Fix netprio cgroup v2 leak, from Zefan Li. 6) Fix infinite loop on rmmod in conntrack, from Florian Westphal. 7) Fix tcp SO_RCVLOWAT hangs, from Eric Dumazet. 8) Various bpf probe handling fixes, from Daniel Borkmann. * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (68 commits) selftests: mptcp: pm: rm the right tmp file dpaa2-eth: properly handle buffer size restrictions bpf: Restrict bpf_trace_printk()'s %s usage and add %pks, %pus specifier bpf: Add bpf_probe_read_{user, kernel}_str() to do_refine_retval_range bpf: Restrict bpf_probe_read{, str}() only to archs where they work MAINTAINERS: Mark networking drivers as Maintained. ipmr: Add lockdep expression to ipmr_for_each_table macro ipmr: Fix RCU list debugging warning drivers: net: hamradio: Fix suspicious RCU usage warning in bpqether.c net: phy: broadcom: fix BCM54XX_SHD_SCR3_TRDDAPD value for BCM54810 tcp: fix error recovery in tcp_zerocopy_receive() MAINTAINERS: Add Jakub to networking drivers. MAINTAINERS: another add of Karsten Graul for S390 networking drivers: ipa: fix typos for ipa_smp2p structure doc pppoe: only process PADT targeted at local interfaces selftests/bpf: Enforce returning 0 for fentry/fexit programs bpf: Enforce returning 0 for fentry/fexit progs net: stmmac: fix num_por initialization security: Fix the default value of secid_to_secctx hook libbpf: Fix register naming in PT_REGS s390 macros ...
2020-05-15Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdmaLinus Torvalds13-39/+68
Pull rdma fixes from Jason Gunthorpe: "A few minor bug fixes for user visible defects, and one regression: - Various bugs from static checkers and syzkaller - Add missing error checking in mlx4 - Prevent RTNL lock recursion in i40iw - Fix segfault in cxgb4 in peer abort cases - Fix a regression added in 5.7 where the IB_EVENT_DEVICE_FATAL could be lost, and wasn't delivered to all the FDs" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: RDMA/uverbs: Move IB_EVENT_DEVICE_FATAL to destroy_uobj RDMA/uverbs: Do not discard the IB_EVENT_DEVICE_FATAL event RDMA/iw_cxgb4: Fix incorrect function parameters RDMA/core: Fix double put of resource IB/core: Fix potential NULL pointer dereference in pkey cache IB/hfi1: Fix another case where pq is left on waitlist IB/i40iw: Remove bogus call to netdev_master_upper_dev_get() IB/mlx4: Test return value of calls to ib_get_cached_pkey RDMA/rxe: Always return ERR_PTR from rxe_create_mmap_info() i40iw: Fix error handling in i40iw_manage_arp_cache()
2020-05-15Merge tag 'linux-kselftest-5.7-rc6' of ↵Linus Torvalds4-12/+22
git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull kselftest fixes from Shuah Khan: - lkdtm runner fixes to prevent dmesg clearing and shellcheck errors - ftrace test handling when test module doesn't exist - nsfs test fix to replace zero-length array with flexible-array - dmabuf-heaps test fix to return clear error value * tag 'linux-kselftest-5.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: selftests/lkdtm: Use grep -E instead of egrep selftests/lkdtm: Don't clear dmesg when running tests selftests/ftrace: mark irqsoff_tracer.tc test as unresolved if the test module does not exist tools/testing: Replace zero-length array with flexible-array kselftests: dmabuf-heaps: Fix confused return value on expected error testing
2020-05-15Merge tag 'riscv-for-linus-5.7-rc6' of ↵Linus Torvalds9-21/+25
git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull RISC-V fixes from Palmer Dabbelt: "A handful of build fixes, all found by Huawei's autobuilder. None of these patches should have any functional impact on kernels that build, and they're mostly related to various features intermingling with !MMU. While some of these might be better hoisted to generic code, it seems better to have the simple fixes in the meanwhile. As far as I know these are the only outstanding patches for 5.7" * tag 'riscv-for-linus-5.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: riscv: mmiowb: Fix implicit declaration of function 'smp_processor_id' riscv: pgtable: Fix __kernel_map_pages build error if NOMMU riscv: Make SYS_SUPPORTS_HUGETLBFS depends on MMU riscv: Disable ARCH_HAS_DEBUG_VIRTUAL if NOMMU riscv: Add pgprot_writecombine/device and PAGE_SHARED defination if NOMMU riscv: stacktrace: Fix undefined reference to `walk_stackframe' riscv: Fix unmet direct dependencies built based on SOC_VIRT riscv: perf: RISCV_BASE_PMU should be independent riscv: perf_event: Make some funciton static
2020-05-15Merge tag 'arm64-fixes' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fix from Catalin Marinas: "Fix flush_icache_range() second argument in machine_kexec() to be an address rather than size" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: fix the flush_icache_range arguments in machine_kexec
2020-05-15Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpfDavid S. Miller14-43/+137
Alexei Starovoitov says: ==================== pull-request: bpf 2020-05-15 The following pull-request contains BPF updates for your *net* tree. We've added 9 non-merge commits during the last 2 day(s) which contain a total of 14 files changed, 137 insertions(+), 43 deletions(-). The main changes are: 1) Fix secid_to_secctx LSM hook default value, from Anders. 2) Fix bug in mmap of bpf array, from Andrii. 3) Restrict bpf_probe_read to archs where they work, from Daniel. 4) Enforce returning 0 for fentry/fexit progs, from Yonghong. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-15KVM: x86: Fix off-by-one error in kvm_vcpu_ioctl_x86_setup_mceJim Mattson1-1/+1
Bank_num is a one-based count of banks, not a zero-based index. It overflows the allocated space only when strictly greater than KVM_MAX_MCE_BANKS. Fixes: a9e38c3e01ad ("KVM: x86: Catch potential overrun in MCE setup") Signed-off-by: Jue Wang <juew@google.com> Signed-off-by: Jim Mattson <jmattson@google.com> Reviewed-by: Peter Shier <pshier@google.com> Message-Id: <20200511225616.19557-1-jmattson@google.com> Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-05-15Merge branch 'kvm-amd-fixes' into HEADPaolo Bonzini12-87/+324
This topic branch will be included in both kvm/master and kvm/next (for 5.8) in order to simplify testing of kvm/next.
2020-05-15selftests: mptcp: pm: rm the right tmp fileMatthieu Baerts1-1/+1
"$err" is a variable pointing to a temp file. "$out" is not: only used as a local variable in "check()" and representing the output of a command line. Fixes: eedbc685321b (selftests: add PM netlink functional tests) Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-15dpaa2-eth: properly handle buffer size restrictionsIoana Ciornei2-12/+18
Depending on the WRIOP version, the buffer size on the RX path must by a multiple of 64 or 256. Handle this restriction properly by aligning down the buffer size to the necessary value. Also, use the new buffer size dynamically computed instead of the compile time one. Fixes: 27c874867c4e ("dpaa2-eth: Use a single page per Rx buffer") Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-15Merge tag 'hwmon-for-v5.7-rc6' of ↵Linus Torvalds3-4/+14
git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging Pull hwmon fixes from Guenter Roeck: - Fix ADC access synchronization problem with da9052 driver - Fix temperature limit and status reporting in nct7904 driver - Fix drivetemp temperature reporting if SCT is supported but SCT data tables are not. * tag 'hwmon-for-v5.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (da9052) Synchronize access with mfd hwmon: (nct7904) Fix incorrect range of temperature limit registers hwmon: (nct7904) Read all SMI status registers in probe function hwmon: (drivetemp) Fix SCT support if SCT data tables are not supported
2020-05-15Merge tag 'sound-5.7-rc6' of ↵Linus Torvalds7-13/+111
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "Things look good and calming down; the only change to ALSA core is the fix for racy rawmidi buffer accesses spotted by syzkaller, and the rest are all small device-specific quirks for HD-audio and USB-audio devices" * tag 'sound-5.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda/realtek - Limit int mic boost for Thinkpad T530 ALSA: hda/realtek - Add COEF workaround for ASUS ZenBook UX431DA ALSA: hda/realtek: Enable headset mic of ASUS UX581LV with ALC295 ALSA: hda/realtek - Enable headset mic of ASUS UX550GE with ALC295 ALSA: hda/realtek - Enable headset mic of ASUS GL503VM with ALC295 ALSA: hda/realtek: Add quirk for Samsung Notebook ALSA: rawmidi: Fix racy buffer resize under concurrent accesses ALSA: usb-audio: add mapping for ASRock TRX40 Creator ALSA: hda/realtek - Fix S3 pop noise on Dell Wyse Revert "ALSA: hda/realtek: Fix pop noise on ALC225" ALSA: firewire-lib: fix 'function sizeof not defined' error of tracepoints format ALSA: usb-audio: Add control message quirk delay for Kingston HyperX headset
2020-05-15Merge tag 'drm-fixes-2020-05-15' of git://anongit.freedesktop.org/drm/drmLinus Torvalds38-274/+439
Pull drm fixes from Dave Airlie: "As mentioned last week an i915 PR came in late, but I left it, so the i915 bits of this cover 2 weeks, which is why it's likely a bit larger than usual. Otherwise it's mostly amdgpu fixes, one tegra fix, one meson fix. i915: - Handle idling during i915_gem_evict_something busy loops (Chris) - Mark current submissions with a weak-dependency (Chris) - Propagate error from completed fences (Chris) - Fixes on execlist to avoid GPU hang situation (Chris) - Fixes couple deadlocks (Chris) - Timeslice preemption fixes (Chris) - Fix Display Port interrupt handling on Tiger Lake (Imre) - Reduce debug noise around Frame Buffer Compression (Peter) - Fix logic around IPC W/a for Coffee Lake and Kaby Lake (Sultan) - Avoid dereferencing a dead context (Chris) tegra: - tegra120/4 smmu fixes amdgpu: - Clockgating fixes - Fix fbdev with scatter/gather display - S4 fix for navi - Soft recovery for gfx10 - Freesync fixes - Atomic check cursor fix - Add a gfxoff quirk - MST fix amdkfd: - Fix GEM reference counting meson: - error code propogation fix" * tag 'drm-fixes-2020-05-15' of git://anongit.freedesktop.org/drm/drm: (29 commits) drm/i915: Handle idling during i915_gem_evict_something busy loops drm/meson: pm resume add return errno branch drm/amd/amdgpu: Update update_config() logic drm/amd/amdgpu: add raven1 part to the gfxoff quirk list drm/i915: Mark concurrent submissions with a weak-dependency drm/i915: Propagate error from completed fences drm/i915/gvt: Fix kernel oops for 3-level ppgtt guest drm/i915/gvt: Init DPLL/DDI vreg for virtual display instead of inheritance. drm/amd/display: add basic atomic check for cursor plane drm/amd/display: Fix vblank and pageflip event handling for FreeSync drm/amdgpu: implement soft_recovery for gfx10 drm/amdgpu: enable hibernate support on Navi1X drm/amdgpu: Use GEM obj reference for KFD BOs drm/amdgpu: force fbdev into vram drm/amd/powerplay: perform PG ungate prior to CG ungate drm/amdgpu: drop unnecessary cancel_delayed_work_sync on PG ungate drm/amdgpu: disable MGCG/MGLS also on gfx CG ungate drm/i915/execlists: Track inflight CCID drm/i915/execlists: Avoid reusing the same logical CCID drm/i915/gem: Remove object_is_locked assertion from unpin_from_display_plane ...
2020-05-15Merge branch 'restrict-bpf_probe_read'Alexei Starovoitov8-35/+101
Daniel Borkmann says: ==================== Small set of fixes in order to restrict BPF helpers for tracing which are broken on archs with overlapping address ranges as per discussion in [0]. I've targetted this for -bpf tree so they can be routed as fixes. Thanks! v1 -> v2: - switch to reusable %pks, %pus format specifiers (Yonghong) - fixate %s on kernel_ds probing for archs with overlapping addr space [0] https://lore.kernel.org/bpf/CAHk-=wjJKo0GVixYLmqPn-Q22WFu0xHaBSjKEo7e7Yw72y5SPQ@mail.gmail.com/T/ ==================== Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2020-05-15bpf: Restrict bpf_trace_printk()'s %s usage and add %pks, %pus specifierDaniel Borkmann3-32/+88
Usage of plain %s conversion specifier in bpf_trace_printk() suffers from the very same issue as bpf_probe_read{,str}() helpers, that is, it is broken on archs with overlapping address ranges. While the helpers have been addressed through work in 6ae08ae3dea2 ("bpf: Add probe_read_{user, kernel} and probe_read_{user, kernel}_str helpers"), we need an option for bpf_trace_printk() as well to fix it. Similarly as with the helpers, force users to make an explicit choice by adding %pks and %pus specifier to bpf_trace_printk() which will then pick the corresponding strncpy_from_unsafe*() variant to perform the access under KERNEL_DS or USER_DS. The %pk* (kernel specifier) and %pu* (user specifier) can later also be extended for other objects aside strings that are probed and printed under tracing, and reused out of other facilities like bpf_seq_printf() or BTF based type printing. Existing behavior of %s for current users is still kept working for archs where it is not broken and therefore gated through CONFIG_ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE. For archs not having this property we fall-back to pick probing under KERNEL_DS as a sensible default. Fixes: 8d3b7dce8622 ("bpf: add support for %s specifier to bpf_trace_printk()") Reported-by: Linus Torvalds <torvalds@linux-foundation.org> Reported-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Brendan Gregg <brendan.d.gregg@gmail.com> Link: https://lore.kernel.org/bpf/20200515101118.6508-4-daniel@iogearbox.net
2020-05-15bpf: Add bpf_probe_read_{user, kernel}_str() to do_refine_retval_rangeDaniel Borkmann1-1/+3
Given bpf_probe_read{,str}() BPF helpers are now only available under CONFIG_ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE, we need to add the drop-in replacements of bpf_probe_read_{kernel,user}_str() to do_refine_retval_range() as well to avoid hitting the same issue as in 849fa50662fbc ("bpf/verifier: refine retval R0 state for bpf_get_stack helper"). Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: John Fastabend <john.fastabend@gmail.com> Acked-by: Yonghong Song <yhs@fb.com> Link: https://lore.kernel.org/bpf/20200515101118.6508-3-daniel@iogearbox.net
2020-05-15bpf: Restrict bpf_probe_read{, str}() only to archs where they workDaniel Borkmann5-2/+10
Given the legacy bpf_probe_read{,str}() BPF helpers are broken on archs with overlapping address ranges, we should really take the next step to disable them from BPF use there. To generally fix the situation, we've recently added new helper variants bpf_probe_read_{user,kernel}() and bpf_probe_read_{user,kernel}_str(). For details on them, see 6ae08ae3dea2 ("bpf: Add probe_read_{user, kernel} and probe_read_{user,kernel}_str helpers"). Given bpf_probe_read{,str}() have been around for ~5 years by now, there are plenty of users at least on x86 still relying on them today, so we cannot remove them entirely w/o breaking the BPF tracing ecosystem. However, their use should be restricted to archs with non-overlapping address ranges where they are working in their current form. Therefore, move this behind a CONFIG_ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE and have x86, arm64, arm select it (other archs supporting it can follow-up on it as well). For the remaining archs, they can workaround easily by relying on the feature probe from bpftool which spills out defines that can be used out of BPF C code to implement the drop-in replacement for old/new kernels via: bpftool feature probe macro Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Brendan Gregg <brendan.d.gregg@gmail.com> Cc: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/bpf/20200515101118.6508-2-daniel@iogearbox.net
2020-05-15USB: gadget: fix illegal array access in binding with UDCKyungtae Kim1-0/+3
FuzzUSB (a variant of syzkaller) found an illegal array access using an incorrect index while binding a gadget with UDC. Reference: https://www.spinics.net/lists/linux-usb/msg194331.html This bug occurs when a size variable used for a buffer is misused to access its strcpy-ed buffer. Given a buffer along with its size variable (taken from user input), from which, a new buffer is created using kstrdup(). Due to the original buffer containing 0 value in the middle, the size of the kstrdup-ed buffer becomes smaller than that of the original. So accessing the kstrdup-ed buffer with the same size variable triggers memory access violation. The fix makes sure no zero value in the buffer, by comparing the strlen() of the orignal buffer with the size variable, so that the access to the kstrdup-ed buffer is safe. BUG: KASAN: slab-out-of-bounds in gadget_dev_desc_UDC_store+0x1ba/0x200 drivers/usb/gadget/configfs.c:266 Read of size 1 at addr ffff88806a55dd7e by task syz-executor.0/17208 CPU: 2 PID: 17208 Comm: syz-executor.0 Not tainted 5.6.8 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xce/0x128 lib/dump_stack.c:118 print_address_description.constprop.4+0x21/0x3c0 mm/kasan/report.c:374 __kasan_report+0x131/0x1b0 mm/kasan/report.c:506 kasan_report+0x12/0x20 mm/kasan/common.c:641 __asan_report_load1_noabort+0x14/0x20 mm/kasan/generic_report.c:132 gadget_dev_desc_UDC_store+0x1ba/0x200 drivers/usb/gadget/configfs.c:266 flush_write_buffer fs/configfs/file.c:251 [inline] configfs_write_file+0x2f1/0x4c0 fs/configfs/file.c:283 __vfs_write+0x85/0x110 fs/read_write.c:494 vfs_write+0x1cd/0x510 fs/read_write.c:558 ksys_write+0x18a/0x220 fs/read_write.c:611 __do_sys_write fs/read_write.c:623 [inline] __se_sys_write fs/read_write.c:620 [inline] __x64_sys_write+0x73/0xb0 fs/read_write.c:620 do_syscall_64+0x9e/0x510 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe Signed-off-by: Kyungtae Kim <kt0755@gmail.com> Reported-and-tested-by: Kyungtae Kim <kt0755@gmail.com> Cc: Felipe Balbi <balbi@kernel.org> Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20200510054326.GA19198@pizza01 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-05-15usb: core: hub: limit HUB_QUIRK_DISABLE_AUTOSUSPEND to USB5534BEugeniu Rosca1-1/+5
On Tue, May 12, 2020 at 09:36:07PM +0800, Kai-Heng Feng wrote [1]: > This patch prevents my Raven Ridge xHCI from getting runtime suspend. The problem described in v5.6 commit 1208f9e1d758c9 ("USB: hub: Fix the broken detection of USB3 device in SMSC hub") applies solely to the USB5534B hub [2] present on the Kingfisher Infotainment Carrier Board, manufactured by Shimafuji Electric Inc [3]. Despite that, the aforementioned commit applied the quirk to _all_ hubs carrying vendor ID 0x424 (i.e. SMSC), of which there are more [4] than initially expected. Consequently, the quirk is now enabled on platforms carrying SMSC/Microchip hub models which potentially don't exhibit the original issue. To avoid reports like [1], further limit the quirk's scope to USB5534B [2], by employing both Vendor and Product ID checks. Tested on H3ULCB + Kingfisher rev. M05. [1] https://lore.kernel.org/linux-renesas-soc/73933975-6F0E-40F5-9584-D2B8F615C0F3@canonical.com/ [2] https://www.microchip.com/wwwproducts/en/USB5534B [3] http://www.shimafuji.co.jp/wp/wp-content/uploads/2018/08/SBEV-RCAR-KF-M06Board_HWSpecificationEN_Rev130.pdf [4] https://devicehunt.com/search/type/usb/vendor/0424/device/any Fixes: 1208f9e1d758c9 ("USB: hub: Fix the broken detection of USB3 device in SMSC hub") Cc: stable@vger.kernel.org # v4.14+ Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Hardik Gajjar <hgajjar@de.adit-jv.com> Cc: linux-renesas-soc@vger.kernel.org Cc: linux-usb@vger.kernel.org Reported-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com> Tested-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Link: https://lore.kernel.org/r/20200514220246.13290-1-erosca@de.adit-jv.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-05-15Merge tag 'fixes-for-v5.7-rc6' of ↵Greg Kroah-Hartman6-95/+385
git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus Felipe writes: USB: fixes for v5.7-rc6 The main part here are the important fixes for the raw-gadget before it becomes an ABI. We're adding support for stall/halt/wedge which is actually pretty important in many situations. There's also a NULL pointer deref fix. Apart from raw-gadget, I've included some recent sparse fixes to a few drivers. Signed-off-by: Felipe Balbi <balbi@kernel.org> * tag 'fixes-for-v5.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb: usb: cdns3: gadget: make a bunch of functions static usb: mtu3: constify struct debugfs_reg32 usb: gadget: udc: atmel: Make some symbols static usb: raw-gadget: fix null-ptr-deref when reenabling endpoints usb: raw-gadget: documentation updates usb: raw-gadget: support stalling/halting/wedging endpoints usb: raw-gadget: fix gadget endpoint selection usb: raw-gadget: improve uapi headers comments
2020-05-15x86: Fix early boot crash on gcc-10, third tryBorislav Petkov5-1/+23
... or the odyssey of trying to disable the stack protector for the function which generates the stack canary value. The whole story started with Sergei reporting a boot crash with a kernel built with gcc-10: Kernel panic — not syncing: stack-protector: Kernel stack is corrupted in: start_secondary CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.6.0-rc5—00235—gfffb08b37df9 #139 Hardware name: Gigabyte Technology Co., Ltd. To be filled by O.E.M./H77M—D3H, BIOS F12 11/14/2013 Call Trace: dump_stack panic ? start_secondary __stack_chk_fail start_secondary secondary_startup_64 -—-[ end Kernel panic — not syncing: stack—protector: Kernel stack is corrupted in: start_secondary This happens because gcc-10 tail-call optimizes the last function call in start_secondary() - cpu_startup_entry() - and thus emits a stack canary check which fails because the canary value changes after the boot_init_stack_canary() call. To fix that, the initial attempt was to mark the one function which generates the stack canary with: __attribute__((optimize("-fno-stack-protector"))) ... start_secondary(void *unused) however, using the optimize attribute doesn't work cumulatively as the attribute does not add to but rather replaces previously supplied optimization options - roughly all -fxxx options. The key one among them being -fno-omit-frame-pointer and thus leading to not present frame pointer - frame pointer which the kernel needs. The next attempt to prevent compilers from tail-call optimizing the last function call cpu_startup_entry(), shy of carving out start_secondary() into a separate compilation unit and building it with -fno-stack-protector, was to add an empty asm(""). This current solution was short and sweet, and reportedly, is supported by both compilers but we didn't get very far this time: future (LTO?) optimization passes could potentially eliminate this, which leads us to the third attempt: having an actual memory barrier there which the compiler cannot ignore or move around etc. That should hold for a long time, but hey we said that about the other two solutions too so... Reported-by: Sergei Trofimovich <slyfox@gentoo.org> Signed-off-by: Borislav Petkov <bp@suse.de> Tested-by: Kalle Valo <kvalo@codeaurora.org> Cc: <stable@vger.kernel.org> Link: https://lkml.kernel.org/r/20200314164451.346497-1-slyfox@gentoo.org
2020-05-15ARM: dts: iwg20d-q7-dbcm-ca: Remove unneeded properties in hdmi@39Ricardo Cañuelo1-2/+0
Remove the adi,input-style and adi,input-justification properties of hdmi@39 to make it compliant with the "adi,adv7511w" DT binding. Signed-off-by: Ricardo Cañuelo <ricardo.canuelo@collabora.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Link: https://lore.kernel.org/r/20200511110611.3142-6-ricardo.canuelo@collabora.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-05-15ARM: dts: renesas: Make hdmi encoder nodes compliant with DT bindingsRicardo Cañuelo9-24/+4
Small fixes to make these DTs compliant with the adi,adv7511w and adi,adv7513 bindings: r8a7745-iwg22d-sodimm-dbhd-ca.dts r8a7790-lager.dts r8a7790-stout.dts r8a7791-koelsch.dts r8a7791-porter.dts r8a7792-blanche.dts r8a7793-gose.dts r8a7794-silk.dts: Remove the adi,input-style and adi,input-justification properties. r8a7792-wheat.dts: Reorder the I2C slave addresses of hdmi@3d and hdmi@39 and remove the adi,input-style and adi,input-justification properties. Signed-off-by: Ricardo Cañuelo <ricardo.canuelo@collabora.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Link: https://lore.kernel.org/r/20200511110611.3142-3-ricardo.canuelo@collabora.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-05-15arm64: dts: renesas: Make hdmi encoder nodes compliant with DT bindingsRicardo Cañuelo6-14/+2
Small fixes to make these DTs compliant with the adi,adv7511w binding. r8a77970-eagle.dts, r8a77970-v3msk.dts, r8a77980-condor.dts, r8a77980-v3hsk.dts, r8a77990-ebisu.dts: Remove the adi,input-style and adi,input-justification properties. r8a77995-draak.dts: Reorder the I2C slave addresses of the hdmi-encoder@39 node and remove the adi,input-style and adi,input-justification properties. Signed-off-by: Ricardo Cañuelo <ricardo.canuelo@collabora.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Link: https://lore.kernel.org/r/20200511110611.3142-2-ricardo.canuelo@collabora.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-05-15objtool: optimize add_dead_ends for split sectionsSami Tolvanen1-19/+17
Instead of iterating through all instructions to find the last instruction each time .rela.discard.(un)reachable points beyond the section, use find_insn to locate the last instruction by looking at the last bytes of the section instead. Suggested-by: Josh Poimboeuf <jpoimboe@redhat.com> Signed-off-by: Sami Tolvanen <samitolvanen@google.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/20200421220843.188260-3-samitolvanen@google.com
2020-05-15objtool: use gelf_getsymshndx to handle >64k sectionsSami Tolvanen1-7/+17
Currently, objtool fails to load the correct section for symbols when the index is greater than SHN_LORESERVE. Use gelf_getsymshndx instead of gelf_getsym to handle >64k sections. Signed-off-by: Sami Tolvanen <samitolvanen@google.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Kees Cook <keescook@chromium.org> Link: https://lkml.kernel.org/r/20200421220843.188260-2-samitolvanen@google.com
2020-05-15objtool: Allow no-op CFI ops in alternativesPeter Zijlstra1-5/+6
Randy reported a false-positive: arch/x86/hyperv/hv_apic.o: warning: objtool: hv_apic_write()+0x25: alternative modifies stack What happens is that: alternative_io("movl %0, %P1", "xchgl %0, %P1", X86_BUG_11AP, 13d: 89 9d 00 d0 7f ff mov %ebx,-0x803000(%rbp) decodes to an instruction with CFI-ops because it modifies RBP. However, due to this being a !frame-pointer build, that should not in fact change the CFI state. So instead of dis-allowing any CFI-op, verify the op would've actually changed the CFI state. Fixes: 7117f16bf460 ("objtool: Fix ORC vs alternatives") Reported-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Josh Poimboeuf <jpoimboe@redhat.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Tested-by: Randy Dunlap <rdunlap@infradead.org>
2020-05-15x86/unwind/orc: Fix error handling in __unwind_start()Josh Poimboeuf1-7/+9
The unwind_state 'error' field is used to inform the reliable unwinding code that the stack trace can't be trusted. Set this field for all errors in __unwind_start(). Also, move the zeroing out of the unwind_state struct to before the ORC table initialization check, to prevent the caller from reading uninitialized data if the ORC table is corrupted. Fixes: af085d9084b4 ("stacktrace/x86: add function for detecting reliable stack traces") Fixes: d3a09104018c ("x86/unwinder/orc: Dont bail on stack overflow") Fixes: 98d0c8ebf77e ("x86/unwind/orc: Prevent unwinding before ORC initialization") Reported-by: Pavel Machek <pavel@denx.de> Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/d6ac7215a84ca92b895fdd2e1aa546729417e6e6.1589487277.git.jpoimboe@redhat.com
2020-05-15Merge tag 'drm-misc-fixes-2020-05-14' of ↵Dave Airlie1-3/+1
git://anongit.freedesktop.org/drm/drm-misc into drm-fixes Just one meson patch this time to propagate an error code Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maxime Ripard <maxime@cerno.tech> Link: https://patchwork.freedesktop.org/patch/msgid/20200514073538.wvdtv5s2mt4wdrdj@gilmour.lan
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-12 22:22:58 +0300